UBUNTU-CVE-2017-15908

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    UBUNTU-CVE-2017-15908

    Published: 26 Oct 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-15908

    Summary:

    Details: In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service.

    References: https://ubuntu.com/security/CVE-2017-15908, https://ubuntu.com/security/notices/USN-3466-1, https://ubuntu.com/security/notices/USN-3558-1, https://www.cve.org/CVERecord?id=CVE-2017-15908

    Affected packages

    Package

    Name: systemd

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -229-4ubuntu21.1

    Affected versions

    225-1ubuntu9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High